Steven Tiernan, PA
NPI 1437191277 · Physician Assistant · Watertown, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Steven Tiernan, PA is a Physician Assistant provider in Watertown, NY (NPI 1437191277).
Provider details
- NPI number
- 1437191277
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 009062 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
630 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 437 | $55 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 62 | $81 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 48 | $67 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 40 | $29 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 23 | $111 |
| Simple Insertion of Temporary Bladder Tube |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 1,074 | 255 |
| Finasteride | 545 | 125 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 534 | 117 |
| Mirabegronbrand: Myrbetriq | 190 | 56 |
| Oxybutynin Chloride | 157 | 36 |
| Vibegronbrand: Gemtesa | 140 | 31 |
| Methenamine Hippurate | 130 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,195 across 52 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2015-08-31
Frequently asked questions
- What is Steven Tiernan's NPI number?
- Steven Tiernan's National Provider Identifier (NPI) is 1437191277, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Steven Tiernan's specialty?
- Steven Tiernan is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Steven Tiernan located?
- Steven Tiernan's practice location on file with NPPES is 22670 Summit Dr, Watertown, NY 13601-7208.
- What is Steven Tiernan's phone number?
- The practice phone number listed in the NPPES registry for Steven Tiernan is (315) 755-2560.
- Does Steven Tiernan accept Medicare?
- Steven Tiernan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Steven Tiernan's NPI active?
- Yes — Steven Tiernan's NPI (1437191277) is active in the NPPES registry as of the last update on 2015-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.